Granted Patent
Utility
US 5,212,484 · App. 07/820,421
Digital to analog converter system employing plural digital to analog converters which is insensitive to resistance variations
Inventor:
W. Daniel Hillis
Patented Case
View Patent ↗
Granted: May 18, 1993
Filed: Jan 14, 1992
Inventor
W. Daniel Hillis
Assignee (at issue)
Thinking Machines, LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.